// Copyright 2017 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- author: Caitlin Potter esid: pending description: > Generator is not resumed after a throw completion with a promise arg before start info: | AsyncGeneratorResumeNext: If completion.[[Type]] is throw, and generator.[[AsyncGeneratorState]] is "suspendedStart", generator is closed without being resumed. AsyncGeneratorReject will not unwrap Promise values flags: [async] features: [async-iteration] ---*/ var g = async function*() { throw new Test262Error('Generator must not be resumed.'); }; var it = g(); var promise = new Promise(function() {}); it.throw(promise).then($DONE, function(err) { assert.sameValue(err, promise, 'AsyncGeneratorReject(generator, completion.[[Value]])'); it.next().then(function(ret) { assert.sameValue(ret.value, undefined, 'Generator is closed'); assert.sameValue(ret.done, true, 'Generator is closed'); }).then($DONE, $DONE); }).catch($DONE);